From: Jeremy Kerr <jk@ozlabs.org>
Date: Tue, 3 Mar 2009 19:39:32 +0000 (+0000)
Subject: powerpc/spufs: Fix incorrect buffer offset in regs write
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=2fb4423aa38b598fa688bbd53a835bb7628c445b;p=linux-beck.git

powerpc/spufs: Fix incorrect buffer offset in regs write

We need to offset by *pos bytes, not *pos words.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
---

diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index be0120d9b50a..d6a519e6e1c1 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -578,7 +578,7 @@ spufs_regs_write(struct file *file, const char __user *buffer,
 	if (ret)
 		return ret;
 
-	ret = copy_from_user(lscsa->gprs + *pos - size,
+	ret = copy_from_user((char *)lscsa->gprs + *pos - size,
 			     buffer, size) ? -EFAULT : size;
 
 	spu_release_saved(ctx);